Move getmail configs out to external data volume

docker-compose.yml

       - "993:993"
     volumes:
       - ${MAIL_DATA_VOLUME_PATH}:${MAIL_DATA_PATH}
+      - ${MAIL_GETMAIL_VOLUME_PATH}:${MAIL_GETMAIL_PATH}
       #- ${MAIL_STATE_VOLUME_PATH}:${MAIL_STATE_PATH}
     cap_add:
       - NET_ADMIN

setup.sh

 #sudo mkdir -p ${DB_CONFIG_PATH}
 # mail
 sudo mkdir -p ${MAIL_DATA_PATH}
+sudo mkdir -p ${MAIL_DATA_PATH}/getmail
 #sudo mkdir -p ${MAIL_STATE_PATH}
 # nextcloud
 sudo mkdir -p ${NEXTCLOUD_DATA_PATH}
 sudo mkdir -p ${NEXTCLOUD_BACKUP_PATH}
+
+echo "Copying gemail confs"
+cp images/rpi-email/getmail/getmailrc-* ${MAIL_DATA_PATH}/getmail/